Home / 145,003,976,717.32-200,078,924,038.26-80,773,102,591.24

Finding the Fourth Proportional to 145,003,976,717.32, 200,078,924,038.26 and 80,773,102,591.24

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Solution

The fourth proportional to 145,003,976,717.32, 200,078,924,038.26 and 80,773,102,591.24 is: 111,452,084,443.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,003,976,717.32 : 200,078,924,038.26 = 80,773,102,591.24 : x
  2. Step 2: Convert to fraction form
    145,003,976,717.32/200,078,924,038.26 = 80,773,102,591.24/x
  3. Step 3: Cross multiply
    145,003,976,717.32x = 200,078,924,038.26 × 80,773,102,591.24
  4. Step 4: Simplify right side
    145,003,976,717.32x = 16,160,995,457,687,292,477,440
  5. Step 5: Solve for x
    x = 16,160,995,457,687,292,477,440/145,003,976,717.32
  6. Step 6: Final answer
    x = 111,452,084,443.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.